Lock



FIG. 1 is a perspective view of a lock of the present invention;

FIG. 2 is top view of the lock shown in FIG. 1;

FIG. 3 is a bottom view of the design shown in FIG. 1;

FIG. 4 is a side view of the design shown in FIG. 1;

FIG. 5 is a front view of the design shown in FIG. 1;

FIG. 6 is a side view of the design shown in FIG. 1, shown from theopposing side shown in FIG. 4; and,

FIG. 7 is a back view of the design shown in FIG. 1.

The portions of the Figures shown in broken lines are for illustrativepurposes only, and form no part of the claimed design.

The broken line/s, which define the bounds of the claimed design, formno part Thereof.

The ornamental design for a lock, as shown and described.